2
Strontium has 4 valence electrons.
Two valence electrons
one valence electron
5 valence electrons.
Strontium's atomic number is 38. So, it has 38 protons and 38 electrons if it's neutral. Strontium is a group 2 element and so has 2 valence electrons. Thus, the rest of the 36 electrons are core electrons.
Strontium has 4 valence electrons.
There are 2 valence electrons in Radium. There are 2 valence electrons in Radium.
Two valence electrons
Strontium has 38 electrons. (Protons and electrons are the same)
one valence electron
5 valence electrons.
Boron has 3 valence electrons.Boron has 3 valence electrons.
Strontium's atomic number is 38. So, it has 38 protons and 38 electrons if it's neutral. Strontium is a group 2 element and so has 2 valence electrons. Thus, the rest of the 36 electrons are core electrons.
They have 3 valence electrons unless they are isotopes.
There are 8 valence electrons for neon.
This is a chemical element. You can find the how many electron in a single atom by using a periodic table.
4 electrons, 2 valence electrons